In Ubuntu, some people have experienced some issue with the subpixel smoothing of fonts for Firefox 3.5. To fix this font issue in Firefox 3.5 there are 2 possible solutions:

I was telling you about my issues with scrolling in Firefox (see #6). Well, I didn't manage to fix that for Firefox 3.5 but instead, I installed Firefox 3.6 beta 1 pre (Namoroka) and the scrolling now works perfectly (thanks to Tinhed for the tip!). Also, basically everything feels a lot faster, at least in Ubuntu. This is why I suggest you upgrade to Firefox 3.6.

Firefox 4 is the fastest Firefox yet. With dramatic speed and performance advancements across the board, Firefox is between two and six times faster than previous releases. Major enhancements to the JavaScript engine make everything from startup time to page load speed to graphics and JavaScript performance screaming fast in Firefox.

The one area where Google Chrome definitively beat Firefox is on the speed front. Firefox is simply not fast enough. But if speed was the only reason behind your decision to choose Google Chrome instead of Firefox, FasterFox Lite Firefox extension will give you some reprieve.

Google Chrome has now eclipsed Mozilla Firefox in the speed category. However, I still use Firefox as my main web browser because it is still better than Chrome in certain areas.But just recently, I tried a few tweaks that significantly improved the speed of Firefox making it a little bit snappier than the latest version of Google Chrome when loading webpages.

Google's Chrome 2.0 speeded up after dropping its beta and Opera 10 beta claiming a better browsing speed, all eyes are on Mozilla's new Firefox version hyped to touch Amazing feats of speed.

Six months after the last big Firefox release, Mozilla today is rolling out Firefox 3.6. The new browser, which began its life under the codename Namaroka", includes numerous enhancement over its predecessor, Firefox 3.5.

KDE’s default web browser is Konqueror, and many users love it for its speed, integration with KDE, and its host of features. Nevertheless, some sites do not perform as well as they do in Mozilla Firefox, and some users prefer the large number of available Firefox add-ons. Furthermore, users who move from Windows to Linux might prefer Firefox for its familiarity

Sometimes Firefox can become a real memory hog, especially if you keep it running for hours and have many tabs opened. In order to make Firefox a little more responsive and save some RAM memory, here are three tweaks I bumped into over time. Notice that most of these tips only free up some memory at the expense of (usually) loading speed for web pages.